Kate Dwelley defended her title in the 200 free, Maya DiRado was the runner-up in the 400 IM, but Stanford dropped to second place behind Cal, 1,047 1/2-990 1/2, with one day to go at the Pac-10 Championships in Federal Way, WA.
Betsy Webb was third in the 100 back and Stephanie Phipps (three-meter) and Liz Smith (100 breast) were each fourth in their respective events.
Dwelley won her signature event by three-tenths of a second, at 1:44.61, ahead of Sara Isakovic (1:44.94). She is Stanford's first three-time Pac-10 champion in the event, besting Jenny Thompson's back-to-back wins in 1992 and 1993. Dwelley also won the 200 free in as a freshman and last year, as a junior.
USC's Katinka Hosszu won the 400 IM, two and a half seconds ahead of DiRado (4:02.48) with a time of 4:00.04.
Phipps, who had the top preliminary score, opened up the final round with two 9.0's and an 8.5 on a somersault pike, but struggled on dives two and three before rebounding to score a mark of 321.20 for fourth. Her counted score never dropped below a 7.0 in any of her final three dives.
Smith kept the Cardinal in front of Cal late in the evening, placing fourth, while Kerry Kraemer was eighth in the 100 breast. Webb was third in the 100 back with a time of 52.90.
In the men's platform, Brent Eichenseer was third (374.85), followed by Taylor Sishc (343.70), Dhruv Tyagi (294.00) and Noah Garcia (283.20) in fifth through seventh place. Stanford had nine men reach the finals over the last three days, with those scores counting for next week's men's championship in Long Beach.
Mark Appel pitched six strong innings but Stanford dropped a 2-1 nonconference decision to host Vanderbilt on Friday.
Appel (0-1) gave up two runs on seven hits. Sonny Gray (2-0) did him one better, allowing a run on six hits over six innings.
Stanford (3-2) did have its chances, twice putting the tying run on in the eighth and ninth innings. In the ninth, Brian Ragira singled with one out, but Moore struck out outfielder Austin Wilson, and got pinch hitter Justin Ringo to ground out to end the contest.
With a runner on with two outs in the eighth, Kenny Diekroeger hit it to the left field warning track as Mark Lamm retired his only batter, following 1.2 shutout innings from Will Clinard.
Chris Reed pitched the final two scoreless innings for the Cardinal, twice stranding a runner in scoring position to keep it at a one-run game.
Top-ranked Stanford beat visiting Oregon, 7-0, Friday in the Pac-10 opener for both teams.
The win extended Stanford's NCAA-record home winning streak to 170 consecutive matches, a streak that spans nearly 12 seasons and is recognized as the longest active home winning streak among all sports in Division I athletics.
With the threat of rain, the singles matches were played first. Kristie Ahn won, 6-1, 6-0, at No. 4 and Mallory Burdette notched a 6-2, 6-1 victory for the first two points.
Stacey Tan won her match 6-1, 6-4 on court four before Nicole Gibbs clinched the match with a 6-0, 6-2 triumph on court three.
Earlier in the day, Stanford senior Hilary Barte was voted the Most Outstanding Player of the 2011 ITA National Women's Team Indoor Championship, powering No. 1 Stanford to a 4-2 win over No. 2 Florida on Monday en route to capturing a record 10th ITA National Women's Team Indoor title. Ahn, Gibbs and Tan all joined Barte on the all-tournament team in singles.
Ashley Chinn pitched a two-hitter over five innings and Stanford salvaged a split out of the first day of the Stanford Nike Invitational on Friday, beating North Dakota State, 12-0, in the second of two games.
Memphis edged the Cardinal, 2-1, in the earlier game.
Michelle Prong had two hits, including a home run, and drove in four runs while Ashley Hansen added two hits, including a home run, and drove in three runs against North Dakota State.
Spencer McLachlin recorded 19 kills and Brad Lawson added 18 as Stanford downed visiting UCLA, 26-24, 21-25, 25-22, 25-17, in a Mountain Pacific Sports Federation match Friday night.
Track and field
The Stanford men took the early lead at the Mountain Pacific Sports Federation championships in Seattle on Friday.
The Cardinal has a narrow edge over UCLA, 40.5-37.5, with Oregon close behind at 36.
The Cardinal women are in fourth place with 20 points, but have many of its strongest events during day two on Saturday. Arizona State leads the women's competition with 41 points.
Highlighting the day was Miles Unterreiner earning the lone individual MPSF title for the Cardinal.
Unterreiner ran a personal best of 13:48.13 to win the 5,000. The Cardinal junior won his first major individual title in track after being a consistent contributor in cross country over the past two seasons.